TY  - BOOK
AU  - Gamma, Erich
AU  - Helm, Richard.
AU  - Johnson, Ralph.
AU  - Vlissides, John.
TI  - Design patterns : elements of reusable object-oriented software
SN  - 9788131700075
U1  - 005.12 
PY  - 1995///
CY  - New Delhi
PB  - Pearson
N1  - Index
ER  -